.sideMenu{ border:1px solid #ddd; border-top:none}
.sideMenu h3{ height:32px; line-height:32px; padding-left:10px;  border-top:1px solid #e3e3e3; background:#f4f4f4; cursor:pointer;
	font:normal 14px/32px "Microsoft YaHei";
}
.sideMenu h3 em{ float:right; display:block; width:40px; height:32px;   background:url(../images/icoAdd.png) 16px 12px no-repeat; cursor:pointer; }
.sideMenu h3.on em{ background-position:16px -57px; }
.sideMenu ul{ padding:8px 25px; color:#999; display:none; /* 默认都隐藏 */ }